Elkhorn Formation
88 distinct taxa, from 110 fossil occurrences the Paleobiology Database records under this name, spanning 458–443 Mya.
Ohio, Indiana, Kentucky · US
88 taxa · 110 fossils · 458–443 MyaFiled under the Richmondian Group.
Macrostrat dates this rock 458–443 Ma. Macrostrat’s own record
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10 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Vinlandostrophia moritura
- Hebertella occidentalis
- Zygospira modesta
- Columnaria
- Flexicalymene
- Hiscobeccus capax
- Ischyrodonta
- Isotelus
- Ostracoda
- Platystrophia acutilirata
- Streptelasma
- Vinlandostrophia elkhornensis
- Ambonychia
- Aulacera
- Beatricea undulata
- Beloitoceras
- Brachiopoda
- Bucania
- Calapoecia
- Ceramoporella
- Ceraurinus
- Cincinnetina meeki
- Columnaria alveolata
- Conocardioidea
- Conocardium richmondense
- Constellaria
- Corynotrypa
- Ctenodonta
- Cyclocrinites
- Cyclora
- Cyrtodonta
- Dermatostroma
- Dicranopora
- Diestoceras
- Favistella
- Gastropoda
- Hebertella
- Hebertella alveata
- Hebertella sinuata
- Helicotoma marginata
The 40 most often recorded, of 88.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.